Rock and metal stars got into the Halloween spirit this year, dressing up in all sorts of wacky costumes, and in some cases, as each other. From frightening, to confusing, bizarre and hilarious, members of Metallica , Machine Head , Motley Crue ,  Iwrestledabearonce  + more acts showcased their Halloween spirit with some awesome costumes. Check them out below! Nikki Sixx’s Crazy Clown Makeup Machine Head’s Robb Flynn as a Viking Machine Head’s Adam Duce as a Caveman Iwrestledabearonce as Korn! Lacuna Coil’s ‘Creepy’ Cristina Scabbia Lacuna Coil Full Band Costumes Sammy Hagar in Paradise + Metallica’s James Hetfield as Sammy Hagar Bring Me the Horizon Goes Transgender Every Time I Die Werewolf Betraying the Martyrs Go Black Metal Oceano’s Assorted Mix [button href=”http://loudwire.com/black-sabbath-horror-movies-that-inspired-band-names” title=”See the Horror Movies that Inspired Band Names” align=”center”]